from tkinter import *
X = int(input("Введите начальную координату х"))
Y = int(input("Введите начальную координату y"))
N = int(input("Введите начальную координату n"))

coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 30, 10, 30, 10, 20, 0, 20]

if N == 0 and X >= 0 and X <= 500 and Y >= 0 and Y <= 500:
    pass
else:
    if N > 0 and 0*N+X >= 0 and 0*N+Y >= 0 and 20*N+X <= 500 and 20*N +Y <= 500:
        pass
    else:
        if N < 0 and 20*N+X >= 0 and 20*N+Y >= 0 and 20*N+X <= 500 and 20*N+Y <= 500:
            pass
        else:
            print("Размер фигуры превышает размер поля")
            exit()

root =Tk()
root.title("ИТ-марафон")
root.geometry("500x500")
canvas = Canvas (bg="white",width = 500, height = 500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(coords [0]*N+X, coords [1]*N+Y,
                      coords [2]*N+X, coords [3]*N+Y,
                      coords [4]*N+X, coords [5]*N+Y,
                      coords [6]*N+X, coords [7]*N+Y,
                      coords [8]*N+X, coords [9]*N+Y,
                      coords [10]*N+X, coords [11]*N+Y,
                      coords [12]*N+X, coords [13]*N+X,
                      coords [14]*N+X, coords [15]*N+X)
root.mainloop()

